PIPER FLORA OF THE STATE OF WASHINGTON. 499 



736; Baldy Peak, Lamh 1320; Silverton, Bouck, July, 1895 and 126; Yakima Pass, Wat- 

 son, November 20, 1880; Clallam County, Elmer 2578. 

 Zonal distribution: Arctic. 



3a. Pent8temo.-i menziesii davidsonii (Greene). 



Pentstemon davidsonii Greene, Pittonia 2: 241. 1892. 



Type locality: "On Mt. Conness [California], at an altitude of 12,300 feet." 



Range: Washington to California. 



Specimens examined: Olympic Mountains, J. M.Grant; Mount Rainier, JZ/en 279, 2087; 

 Mount Adams, Suksdorf ; Henderson; Flett 1166; loomis, Elmer 584. 



Zonal distkibution: Arctic. 



4. Pentstemon lyallii A. Gray, Syn. Fl. 2': 440. 1878. 

 Pentstemon menziesli lyallii, A. Gray, Proc. Am. Acad. 6: 76. 1865. 



Type locality: "Between Fort Col ville and the Rocky Mountains." Collected by Lyall. 



Range: Washington, Idaho, and British Columbia. 



Specimens examined: Stevens Pass, Sandberg & Leiberg 759, according to the label, 

 but the specimen is almost certainly from Pend Oreille Lake, Idaho. The species will 

 probably be found in Stevens county. 



5. Pentstemo-i fruticosus (Pursh) Greene, Pittonia 2: 239. 1892. 

 Gerardia fruticosa Pursh, Fl. 2: 423. -pi. 18. 1814. 



Pentstemon crassifolius Lindl. Bot. Reg. 24 : jyl. 16. 1838. 



Pentstemon douglasii Hook. Fl. Bor. Am. 2: 98. 1838. 



Pentstemon lewisii Bcnth.; DC. Prod. 10: 321. 1846. 



Pentstemon adamsianus Howell, Fl. N. W. Am. 511. 1901. 



Type locality: "In great abundance in the pine forests of the Rocky Mountains." 

 Collected by Lewis, probably in Idaho. 



Range: Cascade Mountains of British Columbia to Oregon, and eastward to west 

 Montana. 



Specimens examined: Mountains north of Ellcnsburg, Whited 715, 1161; Mount Stuart, 

 Elmer l204;Sandberg <& Leiberg 5^;Whited795; Mount Adams, iS«A;s</or/ 459 and July 12, 

 1886; Klickitat River, Flett 1 152; Rock Island, Sandberg cfc Leiberg 459, Twisp River, Whited , 

 Peshastin, Sandberg c& Leiberg, July, 1893; Kittitas, Lyall in 1860; Naches Paso, Wa!son, 

 November 25, 1880; Cascade Mountains to Fort Colville, Lya// in 1860, C\Q&\uni, Henderson 

 in 1892; Nason City, Sandberg & Leiberg; Blue Mountains, Lake cfc Hull 686, Pi-per 2422, 

 2327. 



Zonal distribution: Canadian and Hudsonian. 



Pentstemon crassifolius Lindl. is founded on a specimen with entire leaves, a valueless 

 character, as both entire and serrate leaves may be found on the same plant and intei- 

 grades are very numerous; P. douglasii Hook, is a high altitude lonn with shorter u::d 

 broader toothed leaves; P adamsianus Howell from Mount Adams and Mount St. Helens 

 is a form with rather large, thinner leaves. 



5a. Pentstemon fruticosus cardwellii (Howell). 

 Pentstemon cardweUn Howell, Fl. N. W. Am. 510. 1901. 

 Type locality ; Base of Mount Hood, Oregon. 

 Range . Cascade mountains of Washington and Oregon. 

 Specimens examined: Mount St. Helens, Goodwin, July 13, 1903. 

 This subspecies may be distinguished by Us thickish serrulate mostly obtuse leaves. 



6. Pentstemon scouleri Lindl. Bot Reg. 15: ft. 1277. 1829. 



Type locality "Kettle Falls of the Columbia" Collected by Douglas. 



Range: Apparently local in northeastern Washington 



Specimens examined. Near Spokane, Miss Kate B. Reed, Mount Carlton, Kreager 274. 



